Severity
Moderate
ModerateActive
CPSC recall · Reported October 20, 2011
ADT Recalls Carbon Monoxide Detectors Due to Failure to Properly Indicate End of Useful Life
When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the home alarm panel alerting consumers it is time to replace them and a sig…
Compiled from official public sources by the editorial team.
Verify with CPSC →
Sensor System, of St. Charles, Ill. recalled This recall involves hard-wired carbon monoxide detectors with model CO 1224T installed b… - a moderate-severity action.
ADT Recalls Carbon Monoxide Detectors Due to Failure to Properly Indicate End of Useful L… was recalled by Sensor System, of St. Charles, Ill. in October 20, 2011. Reason: When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the ho…. Remedy: Consumers should contact ADT immediately for a free inspection of the recalled detectors …. Verify recall #12701 with the CPSC before acting.
The recall
Sensor System, of St. Charles, Ill. issued this moderate-severity CPSC recall-When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the ho….
- Moderate
- severity level
- October 20, 2011
- reported
Sourced from official CPSC enforcement records. Verify recall #12701 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This CPSC action (record #12701) was formally reported on October 20, 2011. It is classified under Moderate severity, with a current status of Active. Sensor System, of St. Charles, Ill. is listed as the recalling firm. Federal records list the affected scope as About 20,000.
The documented reason for this recall is: When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the home alarm panel alerting consumers it is time to replace them and a signal to ADT's alarm monitoring center. So… Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. The remedy documented by the agency is: Consumers should contact ADT immediately for a free inspection of the recalled detectors and, if necessary, a free repair. Consumers should not attempt to disable the recalled detectors. ADT has cont… - consumers holding this product should act on that instruction rather than relying on general guidance.
Within the same product category the archive holds 6 closely related recalls, 6 from CPSC - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Household Products recalls over time
Where this recall sits in its category - 3,056 household products recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Affected scope
About 20,000
Related Recalls
6
6 from same agency
Product description
This recall involves hard-wired carbon monoxide detectors with model CO 1224T installed by ADT. The model number is behind the front cover.
Reason for recall
When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the home alarm panel alerting consumers it is time to replace them and a signal to ADT's alarm monitoring center. Some of the detectors were not wired properly to the ADT alarm system, resulting in the sound not going off in the home alarm panel and no signal to the ADT alarm monitoring center at the end of its useful life. Not replacing a CO detector at the end its useful life poses a CO poisoning hazard to consumers.
Remedy, what to do
Consumers should contact ADT immediately for a free inspection of the recalled detectors and, if necessary, a free repair. Consumers should not attempt to disable the recalled detectors. ADT has contacted all customers.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Consumer Product Safety Commission |
| Severity class | Moderate |
| Status | Active |
| Recall number | 12701 |
| Date reported | October 20, 2011 |
| Date initiated | October 20, 2011 |
| Recalling firm | Sensor System, of St. Charles, Ill. |
| Affected scope | About 20,000 |
| Distribution | Not disclosed |
| Official source | CPSC notice → |
Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.
What to do with this recall
Consumers should contact ADT immediately for a free inspection of the recalled detectors and, if necessary, a free repair. Consum…
- Check the recall number (12701) and product description against the item you own. Search the archive
- Confirm the current status and remedy on the official CPSC notice before acting. CPSC notice
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official CPSC record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
Frequently Asked Questions
What product was recalled? ▼
This recall involves hard-wired carbon monoxide detectors with model CO 1224T installed by ADT. The model number is behind the front cover.. Recalled by Sensor System, of St. Charles, Ill.. Units affected: About 20,000.
Why was this product recalled? ▼
When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the home alarm panel alerting consumers it is time to replace them and a signal to ADT's alarm monitoring center. Some of the detectors were not wired properly to the ADT alarm system, resulting in the sound not going off in the home alarm panel and no signal to the ADT alarm monitoring center at the end of its useful life. Not replacing a CO detector at the end its useful life poses a CO poisoning hazard to consumers.
What should consumers do? ▼
Consumers should contact ADT immediately for a free inspection of the recalled detectors and, if necessary, a free repair. Consumers should not attempt to disable the recalled detectors. ADT has contacted all customers.
Which agency issued this recall? ▼
This recall was issued by the CPSC on October 20, 2011. Severity: Moderate. Recall number: 12701.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (12701) against your product. Visit the official CPSC website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
How do I report an injury from a recalled product? ▼
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.
Nearby Recalls in This Category
Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: CPSC, reported October 20, 2011. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.